<script>
    let name = "樊振东";
    let age = 27;
    // es5
    let info = "我的名字\n" + "是" + name + ",今年" + age + "岁了";
    // es6 模板字符串
    let info2 = `我的名字
      是${name},今年${age}岁了`;
    console.log(info);
    console.log(info2);

    let htmlStr = `
    <div>
      <h1>大家好</h1>
    </div>`;
    console.log(htmlStr);
</script>